XML 87 R70.htm IDEA: XBRL DOCUMENT v3.8.0.1
RESERVES FOR LOSSES AND LOSS SETTLEMENT EXPENSES (Cumulative Paid Claims and Allocated Claim Adjustment Expenses) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Liabilities for unpaid losses and loss settlement expenses, net of reinsurance $ 1,073,195                  
Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 571,484                  
All outstanding liabilities for unpaid losses and loss settlement expenses before 2008, net of reinsurance 29,167                  
Liabilities for unpaid losses and loss settlement expenses, net of reinsurance 443,753                  
Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 1,049,363                  
All outstanding liabilities for unpaid losses and loss settlement expenses before 2008, net of reinsurance 573                  
Liabilities for unpaid losses and loss settlement expenses, net of reinsurance 104,806                  
Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 866,879                  
All outstanding liabilities for unpaid losses and loss settlement expenses before 2008, net of reinsurance 39                  
Liabilities for unpaid losses and loss settlement expenses, net of reinsurance 284,552                  
Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 342,146                  
All outstanding liabilities for unpaid losses and loss settlement expenses before 2008, net of reinsurance 18,973                  
Liabilities for unpaid losses and loss settlement expenses, net of reinsurance 168,640                  
Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 408,654                  
All outstanding liabilities for unpaid losses and loss settlement expenses before 2008, net of reinsurance 1,326                  
Liabilities for unpaid losses and loss settlement expenses, net of reinsurance 27,735                  
2008 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 60,698 $ 59,052 $ 55,843 $ 52,659 $ 50,143 $ 47,112 $ 42,545 $ 34,482 $ 24,096 $ 9,220
2008 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 118,059 118,003 117,690 117,553 115,897 115,804 112,678 107,480 102,804 80,005
2008 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 73,394 73,018 72,990 72,984 72,122 70,459 68,629 58,926 47,271 30,527
2008 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 36,010 35,292 34,862 34,319 33,770 31,980 30,123 25,736 21,227 10,082
2008 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 42,881 42,787 42,748 42,748 42,627 42,613 42,414 41,735 40,114 $ 32,032
2009 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 70,814 67,733 63,149 56,789 50,098 41,696 32,073 21,151 8,375  
2009 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 88,159 88,037 87,721 87,544 86,930 82,809 77,732 72,181 53,219  
2009 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 63,508 63,503 63,495 62,732 61,398 58,087 53,451 44,867 27,674  
2009 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 33,117 32,911 31,886 31,003 29,898 27,747 24,189 20,292 10,478  
2009 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 31,837 31,804 31,718 31,644 31,564 30,829 29,801 27,926 $ 22,086  
2010 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 62,070 60,116 56,761 51,336 35,043 24,577 15,230 7,103    
2010 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 83,915 83,374 83,000 82,037 80,352 78,284 72,271 52,660    
2010 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 67,852 67,622 65,169 62,231 57,947 52,953 41,141 29,329    
2010 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 38,973 35,052 34,143 33,119 31,887 28,765 22,606 11,821    
2010 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 33,158 33,165 32,997 32,771 32,076 31,340 29,867 $ 24,499    
2011 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 62,165 56,150 50,146 40,595 26,260 13,670 6,236      
2011 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 120,178 118,183 116,614 112,497 109,429 104,800 85,585      
2011 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 88,609 87,475 85,348 79,383 65,021 50,931 34,332      
2011 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 29,453 29,022 28,247 27,497 26,033 21,678 10,322      
2011 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 46,575 46,573 46,487 45,949 45,306 43,801 $ 36,489      
2012 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 69,800 64,574 55,316 39,948 24,620 6,875        
2012 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 106,521 105,250 103,197 100,078 94,380 71,008        
2012 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 93,179 90,292 82,944 71,469 57,201 39,247        
2012 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 34,330 33,063 30,933 28,397 23,023 11,802        
2012 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 44,139 43,569 44,448 43,375 41,979 $ 30,415        
2013 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 65,773 54,559 39,953 25,228 9,835          
2013 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 89,200 86,115 82,853 78,226 59,331          
2013 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 96,375 90,780 79,663 67,630 43,592          
2013 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 45,078 42,941 38,023 30,209 14,136          
2013 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 36,155 35,306 34,297 32,788 $ 25,505          
2014 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 70,363 50,211 29,679 10,207            
2014 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 122,370 116,750 113,663 84,456            
2014 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 99,922 87,590 68,033 45,704            
2014 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 42,964 38,441 30,289 13,965            
2014 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 51,837 49,710 47,912 $ 37,055            
2015 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 53,901 27,182 11,185              
2015 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 95,515 90,454 67,217              
2015 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 99,201 78,225 50,782              
2015 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 35,229 27,304 12,063              
2015 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 39,027 37,431 $ 29,551              
2016 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 38,184 13,782                
2016 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 125,962 92,895                
2016 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 103,528 66,013                
2016 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 32,345 14,413                
2016 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 40,910 $ 32,999                
2017 | Commercial other liability                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 17,716                  
2017 | Commercial fire and allied                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 99,484                  
2017 | Commercial automobile                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 81,311                  
2017 | Workers' compensation                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance 14,647                  
2017 | Personal                    
Liability for Claims and Claims Adjustment Expense [Line Items]                    
Cumulative paid losses and allocated loss settlement expenses, net of reinsurance $ 42,135